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INTANGIBLE ASSETS (Changes in Carrying Amount of Goodwill, by Segment) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Goodwill [Line Items] |  |  |
Goodwill beginning balance | $ 588,007 | $ 552,329 | $ 519,879
Purchase Accounting Adjustments | (3,603) | 4,575 |
Acquisitions | 274,689 | 116,007 | 55,915
Impairments |  | (98,784) |
Foreign exchange rate changes | (7,811) | 13,880 | (23,465)
Goodwill ending balance | 851,282 | 588,007 | 552,329
Medical And Healthcare [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 310,210 | 310,210 | 310,210
Purchase Accounting Adjustments | 0 | 0 |
Acquisitions | 0 | 0 | 0
Impairments |  | 0 |
Foreign exchange rate changes | 0 | 0 | 0
Goodwill ending balance | 310,210 | 310,210 | 310,210
Professional Education [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 32,043 | 32,797 | 33,217
Purchase Accounting Adjustments | 0 | 0 |
Acquisitions | 274,689 | 0 | 0
Impairments |  | 0 |
Foreign exchange rate changes | (79) | (754) | (420)
Goodwill ending balance | 306,653 | 32,043 | 32,797
Technology And Business [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 223,558 | 88,342 | 55,472
Purchase Accounting Adjustments | (3,603) | 4,575 |
Acquisitions | 0 | 116,007 | 55,915
Impairments |  | 0 |
Foreign exchange rate changes | (7,732) | 14,634 | (23,045)
Goodwill ending balance | 212,223 | 223,558 | 88,342
U.S. Traditional Postsecondary [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 207,913 | 207,913 | 207,913
Purchase Accounting Adjustments | 0 | 0 |
Acquisitions | 0 | 0 | 0
Impairments |  | 0 |
Foreign exchange rate changes | 0 | 0 | 0
Goodwill ending balance | 207,913 | 207,913 | 207,913
Accumulated Impairment Losses beginning balance | (185,717) | (86,933) | (86,933)
Purchase Accounting Adjustments | 0 | 0 |
Acquisitions | 0 | 0 | 0
Impairments |  | (98,784) |
Foreign exchange rate changes | 0 | 0 | 0
Accumulated Impairment Losses ending balance | $ (185,717) | $ (185,717) | $ (86,933)

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